Model number
SRC311-2-4-0040K-55
1
2 3 4 5 6
10
9
8
7
WS003647
1.
SmartRun
™
2.
Control
3.
Product family
4.
Number of controlled pumps
5.
Generation
6.
Frame size (2–6)
7.
Input voltage
2:200 – 240V
4:380 – 480V
5:500 – 600V
8.
Power for example, 0040 = 4
9.
Power unit
K:Kilowatt
H:Horsepower
10. Enclosure
20:IP20
55:IP55
66:IP66
Manual de-rating
Manually de-rating the maximum nominal power allows the drive to operate under
conditions that are not allowed without manual de-rating.
• For ambient temperature
Enclosure
Maximum temperature
without de-rating
De-rated by
Maximum permissible
temperature
IP20
50°C (122°F)
N/A
50°C (122°F)
IP55
40°C (104°F)
1.5% per 1°C (1.8°F)
50°C (122°F)
IP66
40°C (104°F)
2.5% per 1°C (1.8°F)
50°C (122°F)
• For altitudes above 1000 m (3281 ft), de-rated 1% per 100 m (32.8 ft).
• For phase conversion of the power supply from 3×230 V to 1×230 V, require the drive
to be de-rated 50%.
• For switching frequency
Enclosure
8 kHz
12 kHz
16 kHz
24 kHz
32 kHz
IP20
N/A
20%
30%
40%
50%
IP55
10%
10%
15%
25%
N/A
IP66
10%
25%
35%
50%
50%
Higher frequency reduces audible "ringing" noise from the motor and improves the
output current waveform, at the expense of increased heat losses within the drive.
Product Description
SRC 311 - SmartRun
™
Installation, Operation, and Maintenance Manual
11
